ISL78226 Datasheet, PDF (31/94 Pages) Intersil Corporation – Cycle-by-cycle peak current limiting

ISL78226
Typical Performance Curves All the performance curves are taken from the Evaluation Board (ISL78226EVAL1Z)
unless otherwise noted. (Continued)
47.80
47.79
47.78
47.77
47.76
47.75
47.74
47.73
47.72
47.71
47.70
0
+25°C
-40°C
+75°C
+125°C
5
10
15
20
25
30
35
BAT48 LOAD CURRENT (A)
FIGURE 14. BAT48 OUTPUT VOLTAGE, BAT12 = 12V (6-PHASE,
BOOST MODE, DE MODE, PHASE DROP ENABLED,
F_clk = 100kHz)
2.10
2.05
2.00
1.95
1.90
1.85
1.80
1.75
+25°C
-40°C
+75°C
+125°C
1.70
0
20
40
60
80
100 120 140
BAT12 INPUT CURRENT (A)
FIGURE 15. IMON VOLTAGE, BAT12 = 12V (6-PHASE, BOOST MODE,
DE MODE, PHASE DROP ENABLED, F_clk = 100kHz)
6.60
VIN_FLY=12V
6.40
VIN_FLY=24V
6.20
VIN_FLY=48V
6.00
VIN_FLY=65V
5.80
5.60
5.40
0
50
100
150
200
250
V6 LOAD (O)
FIGURE 16. V6 VOLTAGE (F_clk = 100kHz, 25°C)
14
12
10
8
VIN_FLY=12V
6
VIN_FLY=24V
4
VIN_FLY=48V
2
VIN_FLY=65V
0
0
0.5
1
1.5
2
2.5
3
V12 LOAD CURRENT (A)
FIGURE 17. V12 OUTPUT VOLTAGE (F_clk = 100kHz, 25°C)
5.05
5
4.95
4.9
4.85
4.8
4.75
+25°C
-40°C
+75°C
+125°C
4.7
0
0.1
0.2
0.3
0.4
0.5
MCUVDD LOAD CURRENT (A)
FIGURE 18. MCUVDD OUTPUT VOLTAGE (V6 = 6V)
5.3
5.2
5.1
5
4.9
4.8
4.7
4.6
0
+25°C
-40°C
+75°C
+125°C
0.1
0.2
0.3
0.4
0.5
PVCC LOAD CURRENT (A)
FIGURE 19. PVCC OUTPUT VOLTAGE (V6 = 6V)
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November 7, 2016